20459768

素因数分解:

$2^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1291}}^1$

素因数の和:1587

約数の個数: 32

約数和(自身を含む): 44031360

約数和(自身を除く): 23571592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 283, 566, 1132, 1291, 1981, 2264, 2582, 3962, 5164, 7924, 9037, 10328, 15848, 18074, 36148, 72296, 365353, 730706, 1461412, 2557471, 2922824, 5114942, 10229884, 20459768]

約数ペア:

[(1, 20459768), (2, 10229884), (4, 5114942), (7, 2922824), (8, 2557471), (14, 1461412), (28, 730706), (56, 365353), (283, 72296), (566, 36148), (1132, 18074), (1291, 15848), (1981, 10328), (2264, 9037), (2582, 7924), (3962, 5164)]